{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["person", "geographical social political", "percent", "ordinal", "law"], "input": "Also , a Communist official for the first time said the future of the Berlin Wall could be open to discussion ."}
{"person": [], "geographical social political": [], "percent": [], "ordinal": [], "law": []}